Among the last minute cost-cutting measures inflicted upon this film was the elimination of all scenes taking place on the moon.
Some of the music is actually the "electronic tonalities" created by Louis Barron and Bebe Barron for Forbidden Planet.
This was one of the last films produced for RKO. By the time it was completed, RKO had ceased production and distribution. It was released through Warner Brothers.
This went into production as RKO was preparing to shut down. It was believed to have had a much larger budget which was later cut. This greatly affected the quality of the special effects.